Honda Power carrier HP series

Clutch fluid capacity & service interval

Honda Power carrier HP series uses clutch fluid with a capacity range of 0,6 to 0,8 liters. Service intervals require a change every 300 hours or 12 months. The data covers 2 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
HP400, NAA-2000001 -> 2799999 (1992- )
  • Use: Normal
  • Capacity 0,8 liter
  • Change 300 hours/ 12 months
HP250, NA1-2000001 -> 2599999 (1987- )
  • Use: Normal
  • Capacity 0,6 liter
  • Change 300 hours/ 12 months

Additional Notes

  • The HP250 (serial range NA1-2000001 to 2599999, starting 1987) carries a clutch fluid capacity of 0.6 liter, while the HP400 (serial range NAA-2000001 to 2799999, starting 1992) holds 0.8 liter, reflecting the larger hydraulic clutch system in the higher-capacity model.
  • Both the HP250 and HP400 share an identical service interval of 300 hours or 12 months, whichever comes first, under normal use conditions.
  • The 300-hour threshold is an operating-hours measure common in equipment that runs under load for extended periods, meaning calendar time alone does not determine when a fluid change is due.
  • The 12-month interval runs alongside the 300-hour limit, so a unit that accumulates fewer operating hours in a year still reaches a fluid change point at the annual mark under normal use.
  • Both configurations are noted as hydraulic clutch systems, meaning the clutch fluid serves as the pressure-transmitting medium rather than a lubricant in a conventional mechanical linkage.
  • The 0.2-liter difference in capacity between the HP250 and HP400 is a meaningful distinction when sourcing fluid for a service fill, as underfilling a hydraulic clutch system can affect pressure and engagement performance.

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